Nailing device.



No. 694,649. Panama Mar. 4, I902. H. van KALINOWSKI.

MAILING DEVICE.

(Applicltion filed my 10, 1900.)

(No Model.)

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ATTORNEYS.

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UNITED STATES PATENT OFFICE.

HERMANN VON KALINOWSKI, OF POSEN, GERMANY.

NAILING DEVlCE.

SPECIFICATION forming part of Letters Patent No. 694,649, dated March 4, 1902.

Application filed May 10,1900- To all whom it may concern:

Be it known that I, HERMANN VON KALI- NOWSKI, a citizen of the Empire of Germany, residing at Posen, Germany, have invented certain new and useful Improvements in Nailing Devices, of which the following is a specification.

In the manufacture of shoes it is necessary after the upper has been stretched around the last to connect the upper quickly with the insole on the last. This operation was heretofore performed almost exclusively by hand and forms an expensive and tedious operation in the manufacture of shoes. The same objection-namely, the lack of means for quickly driving the required nails'was met in the manufacture of cigar-boxes and similar articles. Attempts have been made to accomplish the operation by means of a machine; but none of the machines devised have been practically successful, for the reason that they were not sufficiently reliable and uniform in operation.

ments which can be demanded of a nailingmachine. It nails quickly, is reliable in operation, and can be attended to even'by unskilled workmen.

The invention consists in the construction, arrangement, and combination of certain operative parts, whereby the machine is adapted for reliably performing its work, which will be more fully described hereinafter and finally pointed out in the claim.

In the accompanying drawings, Figure 1 is a vertical central section, partly in side elevation, of my improved nailing device. Figs. 2 and 4 are details of themechanism by which the nails are fed to the nozzle or nail-tube of the machine, and Figs. 3 and 5 are detail horizontal sections showing the nail-feeding teeth in positions corresponding to Figs. 2

and .4, respectively.

Similar letters of reference indicate corresponding parts.

Referring to the drawings, a represents an upright cylinder, in which is located a nailing-plunger composed of a shank b and a nailing-pin 0, carried at the lower end of the same. To the lower end of the cylinder a is screwed the upper end of a guide-tube cl for The machine which forms the subjec t -ih at- .ter of this application meets all the require- Serial' No. 16,152. (No model.)

the nailing-pin c, said guide-tube being extended so as to form a nail tube or nozzle e. The cylinder (1 is closed at its upper end by a disk f, which is screwed up against an interior shoulder of the cylinder. The nailing: plunger is guided in the disk f and provided with a collar g, which is rigidly brazed to the plunger. Thelower end of the plunger-shank b is guided in a disk h, which is arranged near the middle of the cylinder a andrigidly attached thereto. Between the guide-disk h and collar g is interposed a helical spring Z), said spring holding the nailing-plunger in its raised normal position shown in Fig. 1. To

the upper end of the shank b is attached a" disk o'. To the shank b is attached below the guide-disk h a laterally-extending arm 70, which is guided in a slot of the cylinder to and which serves toactuate the anchor 1,, 1

while its slotted opposite end engagesaniinclined shank m of a nail-feeding" device, so as to move said shank m in the nail-receptacle m whenevegtgplunger is moved.

cured-- one 'end of a feed channel 'n, which communicates with the bore of the guidetube through an opening in the same, said opening having a cross-section corresponding to that of the feed-channel n, so that a nail which slides down in the inclined channel a is delivered into the bore of the nail guide or nozzle 6.

On the upper end of the feed-channel a is mounted the nail-receptacle m,which consists of a lower part 0, having a removable cover q. The lower part 0 is provided with a central hub or bearing, in the bore of which is rotatably located a shaft t, to which the feedwheel 1) is secured. The feed-wheel is of such size and so mounted relatively to the part 0 that between the inner circumference of said part 0 and the outer circumference of the wheel 19 is a space of sufficient width so To the guide-tube d of the cylinder ais sethat the shank of a nail can move freely between the parts, While the head of the nail moves in a larger recess between the Wheelp and the lower part 0. Free movement of the nail between the parts p and o is thereby permitted. The guide-passage in the feed-channel 'It corresponds in cross-section with the space between the lower portion 0 and feedwheel 19. The lower portion 0 is provided -feed-wheel.

with an opening in its periphery, so that the nails which move along in the space between the lower portion and wheel 1) are fed into the feed-channel n and from there pass into the bore of the nozzle. The cover (1 extends over the lower portion 0 and filling-wheel p and is provided with an opening for the shaft of the filling-wheel and with an opening through which nails can be charged into the receptacle on raising the lid 0'. On the feed-wheel p is arranged a transverse partition 8 in such a manner that the space below the cover qis divided into a larger and a smaller compartment, said partition being arranged preferably parallel to a plane passing at the axis of the feed-wheel p transversely through the nail-receptacle. The shafttof the feed-wheel extends through the cover q and is provided above the same with a collar u and a spirallybent portion m, hereinbefore referred to. The outer slotted end of the arm engages the spirally-bent portion and produces by its movement on the same an oscillating motion of the feed-wheel p, rotating it by the downward motion of the arm 7; in one direction and by the return motion of the same in the opposite direction. As before stated, from the space below the cover q the nails contained in the receptacle fall through the recess in the circumference-of the feed-wheel into the space between the same and the lower portion of the receptacle, from which they are conducted along the feed-channel to the nozzle 6.

The operation of my improved nailing device is as follows: The required nails are first placed in the space below the cover q-i. e., in the larger of the two compartments of the By the vertieal v-reciprocating motion of the nailing-plunger the arm 7; is reciprocated upon the spiral upper end of the shaft t. This imparts oscillating motion to the feed-wheelp. As the nails cannot follow the quick reversals of motion of the feedwheel, they are more or less agitated and thrown about by the partition 8 and drop successively into the space between the feedwheel 1) and the lower portion 0, from which they are guided into the feed-channel n and from the same into the nozzle e. Without any additional mechanism the nails would be dropped through the nozzle during both the upward and downward motion of the plunger. It is therefore necessary to provide means for holding the nails as they are delivered from the feed-channel into the nozzle and also to provide means for regularly feeding the nails. The latter is accomplished by arranging on the cylinder a a laterally-oscillating escapement-anchor Z, the construction and opera tion of which will be described. The anchorteeth '0 and to each close the feed-channel a, but in two planes located one beyond the other, said planes being at a distance from each other corresponding to the thickness of anail. When the apparatus is in the normal position of rest, a nail lies in position in front of the tooth to and is arrested by the same. When the nailing-plunger 17 ispressed in downward direction, the arm It slides in the inclined upper recess m of the anchor-lever Z in downward direction and causes thereby a lateral motion of the same. This imparts a sidewise motion to the tooth w, so that the tooth 'v is moved across the feed-channel 'n, and thereby closes the same. The nail which is located in front of the tooth to moves then, as there is no obstruction in its path, in the feed-channel n and rests against the tooth '11, which closes in this position of the nailingplunger the feed-channel n. When the nailing-plunger is moved in upward direction,the tooth o is moved laterally, so as to clear the feed-channel 1i, and permits the nail which lies against the same to pass into the bore of the nozzle 6, the path in front of the same being clear. The tooth to of the anchor is moved simultaneously before the next following nail, so as to arrest its forward motion in the feedchannel a. For holding the nail in position in the nozzle 6 a retaining-spring y is secured to the outside of the same and provided with a projection or pin .2, which extends through a perforation in the nozzle to a point in the same immediately below the level of the guide-passage of the feed-channel, so that when a nail is fed into the bore of the nozzle its head is supported on the projection z and the nail thereby retained. The nailing operation is performed by exerting pressure on the disk t', so that the nailing-plungeris pressed in downward direction, and the pin 0 carries the nail along, presses the projection and retainingspring 3 outwardly, and drives, finally, the nail that has been dropped through the nozzle into the work to be nailed. During the upward motion of the nail-plunger b a second nail is supplied to the nozzle 6, and on again depressing the nailing-plunger said nail is driven into the work. The u p-and-down motion of the plunger is repeated as many times as necessary, a nail being driven at each downward stroke. The arrangement of the feedchannel and nail-receptacle in a somewhat inclined position relatively to the axis of the nailing-plunger insures the reliable feeding of the nails by gravity from the nail-rcceptacle to the nozzle.

It is obvious that the mechanical construction of the nailing device can be altered in various ways without departing from the spirit of the invention, and the machine can be used for riveting as well as nailing.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- In a nailing and riveting machine, the combination, with a nailing-tube, of a nailingplunger in the same, a nail-receptacle, a feeding-channel connecting the nail-receptacle with the lower end of the nailing-tube, a shaft journaled in said nail-receptacle and extending upwardly from the same at an inclination to the nailingtube, said shaft being spirally bent at its exterior portion, a feed-wheelmounted on said shaft within the nail-receptacle, an escapement-anchor pivoted to the nailing-tube, and at its lower end entering the feeding-channel, the upper end of said escapement-anchor being slotted and provided with an inclined slotted portion, and an arm extending laterally from said nailingplunger through the nailing-tube and engag 1o ing said escapement-anchor, and provided at its outer end with a slotted portion engaging the inclined spirally-bent shaft, substantially as set forth.

In testimony that I claim the foregoing as my invention I have signed my name in pres- I 5 ence of two subscribing Witnesses.

HERMANN VON KALINOWSKI. Witnesses: V

HERMANN BARTSEL, ALBERT SOHENK. 

